NSN 6650-00-382-0793
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-0793 An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
Alternate Parts: G8111PC13, 203035PC13, 203035PC13, 6650-00-382-0793, 00-382-0793, 6650003820793, 003820793
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-0793 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-0793
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| G8111PC13 | 74067 | KEUFFEL AND ESSER CO |
| 203035PC13 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 203035PC13 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-382-0793
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | MENISCUS AND DOUBLE CONVEX |
| DIAMETER | 22.0 MILLIMETERS NOMINAL |
| AXIAL THICKNESS | 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 6.0 MILLIMETERS NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 359.9 MILLIMETERS AND 116.4 MILLIMETERS |
| ELEMENT RIGHT SURFACE RADIUS | 116.4 MILLIMETERS AND 400.1 MILLIMETERS |
| EQUIVALENT FOCAL LENGTH | 46.194 CENTIMETERS |
| BACK FOCAL LENGTH | 45.980 CENTIMETERS |
| FRONT FOCAL LENGTH | 46.010 CENTIMETERS |
| REFRACTION INDEX | 1.6158 NOMINAL AND 1.5183 NOMINAL |
| ABBE CONSTANT | B36.800$$B58.700 |